I thought that i would put something on the blog to help you go through step by step how to find articles through Google. It's a tool/skill that I stumbled upon, and not a lot of people know it, so i thought I’d write a small tutorial for you and it will help you do your research and make sure you end up with some good outcomes from your search... (hopefully)
A lot of papers from conferences and articles from journals get thrown up onto the internet, hidden away under the piles of trash. Sometimes people put things up as a form of storage so they don't link from their website to it and it sits on a server as a back-up, Academics are notoriously unorganised so the tech savvy ones know this is a good way to keep things safe. GOOGLE BOTS AND SPIDERS FIND EVERYTHING, and a lot of people don't realise that even if it's not linked to it's still there to find, it just takes the bots longer, that's their job, to trawl the internet finding stuff. Most of this stuff gets .pdf'd to try and cut down on size and to try and stop people copying it (which doesn't work unless your really clever about it)
OK... so without further ado how to use advanced search in Google to get good results...

Instead of just using the normal Google search bar and button on http://www.google.co.uk/ click on advanced search

Enter in the search terms, i usually use the "all these terms" box unless I’m looking for an article i want that i know a sentence from and I’ll put it into the "exact words" box. The exact words box is great if you have a text that you think people might have quoted from in their work and you want other opinions or someone might be writing or have used the same paper. Some lecturers also use this to see if your work is plagiarised as an initial search before we start feeding your work into the system and bring out the big guns (software that sniffs out plagiarism). Plagiarism is easy to spot, Lecturers have probably read the work you’re copying from and it's easy to spot the change in tone or language you’re using. Lecturers are sent on training courses to sniff it out... don't do it, you will get caught.
Anyway, enter you search words and in the "file format" drop down box, pick "Adobe Acrobat PDF" and click the advanced search button

You can skip all that though and streamline your search by typing "filetype:pdf" after your search in the normal Google search bar or website. If I’m trawling through looking for lots of different stuff I’ll just cut and paste that bit, keep it on my clipboard and just paste it after each search.
Hope this is helpful and it should improve your research skills and what sort of work your referencing.
Maybe we can start sharing links through the blog that you have found using your newly learned skills...